1445572922 has 16 divisors (see below), whose sum is σ = 2202619392. Its totient is φ = 711401040.

The previous prime is 1445572907. The next prime is 1445572927. The reversal of 1445572922 is 2292755441.

It is a self number, because there is not a number n which added to its sum of digits gives 1445572922.

It is not an unprimeable number, because it can be changed into a prime (1445572927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78743 + ... + 95349.

It is an arithmetic number, because the mean of its divisors is an integer number (137663712).

Almost surely, 2^1445572922 is an apocalyptic number.

1445572922 is a deficient number, since it is larger than the sum of its proper divisors (757046470).

1445572922 is a wasteful number, since it uses less digits than its factorization.

1445572922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17293.

The product of its digits is 201600, while the sum is 41.

The square root of 1445572922 is about 38020.6907091389. The cubic root of 1445572922 is about 1130.6981150948.

The spelling of 1445572922 in words is "one billion, four hundred forty-five million, five hundred seventy-two thousand, nine hundred twenty-two".